Hi, I finished by course at a local college this past summer in Medical Coding and Billing. I am planning on taking the certification exam in March. I bought all the 2012 books (AAPC study guide and Carol Buck study guide along with all books needed for school) when I started the course fall of 2012. I know that I have to buy the 2014 coding books before I take the test but my question is, will I be okay to continue studying my 2012 study guides? I am planning on purchasing the 2014 books this month so that I will have time to look over and become familiar with any new content. I just don't want to buy 2014 study guides if it's not necessary. Thank you!